Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
La Fortuna, Costa Rica Average Monthly Weather
Weather score60Good annual avg
Best months: March, February, April
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.9h per day, and rainfall totals about 3508mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
3508mm
Annual total
Sun
5.9h
Sea
29°C
Weather score
60
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 426mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare La Fortuna, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August29°C average high
August is on the cooler side of La Fortuna's year, useful if you prefer less intense daytime heat.
Warmest monthsMarch to April
This stretch sets the upper range for average daytime heat.
Rain
August426mm average rain
August is one of La Fortuna's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.6 hours average sun
August is below La Fortuna's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August29°C average sea
August is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
August54 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.
Hotels near La Fortuna, Costa Rica
Marriott
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